1Safe And Reliable: This miniature temperature controller ensures that your system works properly, correctly and safely, with a 1m NTC sensor temperature probe for added ease of use. 2LCD Screen: This temperature controller uses a 3 digit LCD screen to display continuous readings, allowing you to ensure that the temperature controller is working properly. 3Accurate Control: This temperature controller allows simultaneous digital control of hot and cold systems, ideal for controlling temperature parameters in thermostats, fermenters and other applications, refrigerators, industrial coolers, etc. 4Erosion Resistant Plastic: This temperature controller is made of excellent flame retardant ABS plastic material, which is erosion resistant, durable, flame resistant, light weight, and a good insulator. 5Excellent Performance: This temperature controller is well made, compact and stable, ensuring durability and stability.